Finding the Fourth Proportional to 10,441.20, 15,667.84 and 7,057.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,441.20 : 15,667.84 = 7,057.04 : x
2. Step 2: Convert to fraction form
   10,441.20/15,667.84 = 7,057.04/x
3. Step 3: Cross multiply
   10,441.20x = 15,667.84 × 7,057.04
4. Step 4: Simplify right side
   10,441.20x = 110,568,573.59
5. Step 5: Solve for x
   x = 110,568,573.59/10,441.20
6. Step 6: Final answer
   x = 10,589.64